As of Friday, July 18, 2025, torrential rains batter South Korea, as the country is still dealing with the effects of three days of ceaseless, intense rain. At least four people have been killed, over 5,000 have been left homeless, and the government has raised its disaster alert to the highest level due to the storm, which has been described as a “once-in-a-century” catastrophe in some places.
Source: X
Events and Casualties
The central and southern areas have experienced the most intense rainfall. Gwangju had 426 mm on Thursday alone, while Seosan recorded more than 400 mm in half a day.
Source: X
- Among the significant casualties are two individuals stranded in cars on flooded roadways.
- There was one fatality in a central South Chungcheong basement that was flooded.
- In Osan, close to Seoul, a 10-meter roadside wall collapsed, killing a driver.
- There have been reports of other injuries, including limb fractures and hypothermia, and one individual is still unaccounted for.
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Government Response
Authorities have ordered more than 5,000 households to evacuate, a significant increase from the 1,300 they had previously ordered, as the situation continues to deteriorate rapidly. The highest disaster alert has been triggered in South Korea. In light of the hazards of landslides and flash flooding, warnings recommend avoiding underground spaces, hills, and riverbanks.
Source: X
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Effects on Infrastructure
Massive flooding has inundated homes and vehicles, with furniture seen floating. Some roads in Gongju have become damaged, and an electric pole has fallen to the ground. Significant transport disruptions are being experienced:
- Forty-six flights were canceled.
- Several roads were washed out.
- Due to sewer blockages and floodwater, businesses had to close.
Source: X
Due to intolerable conditions, a cafe owner in Gwangju reported having to shut down their business. The severity of the calamity is captured from the ground up in social media posts by @JoongAngDaily and @StormHQwx, which feature pictures of flooded highways and heavy rain.
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Forecast and Weather Conditions
The Korea Meteorological Administration claims that the strong rain clouds are the result of the collision between the humid southern air and the dry northern air. Rainfall up to 100 mm per hour has been recorded in some locations.
Totals of rainfall:
- Seosan: 400mm in 12 hours
- Gwangju: 426mm per day
- South Chungcheong: total of 419.5mm
Torrential rains batter South Korea through Saturday, particularly in Gwangju, Busan, and Ulsan. Predicted hot temperatures following the rain will complicate recovery efforts, raising concerns of a looming heatwave.
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Summary Table of Key Statistics
| Aspect | Details |
|---|---|
| Deaths | At least 4 |
| Evacuations | Over 5,000 in shelters |
| Rainfall | Seosan: 400mm; Gwangju: 426mm; South Chungcheong: 419.5mm |
| Areas Affected | Central & southern regions: Seosan, Gwangju, South Jeolla, Osan |
| Government Response | Highest disaster alert, evacuation orders, hazard warnings |
| Forecast | Continued rain until Saturday; possible heatwave next week |
Final Words
This unfortunate event highlights the risks of extreme weather events facing South Korea due to climate change. Given the ongoing heatwave and possible flooding, national disaster systems will be scrutinized for their efficiency. This disaster serves as a stark reminder of the need for preparedness and planning in infrastructure and climate resiliency.
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